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Oluwole I, Tan JBC, DeSouza S, Hutchinson M, Leigh RM, Cha M, Rodriguez A, Hou G, Rao SS, Narang A, Chou FS. The association between bronchopulmonary dysplasia grade and risks of adverse neurodevelopmental outcomes among preterm infants born at less than 30 weeks of gestation. J Matern Fetal Neonatal Med 2023; 36:2167074. [PMID: 36642443 DOI: 10.1080/14767058.2023.2167074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
BACKGROUND Bronchopulmonary dysplasia (BPD) is a multifactorial disease with neurodevelopmental implications. This study aims to quantify the risks of adverse neurodevelopmental outcomes for each BPD grade among preterm infants born at less than 30 weeks' gestation. METHODS We retrospectively studied infants who received care in our institution until at least 36 weeks postmenstrual age and had a formal neurodevelopmental assessment in our infant follow-up clinic using the Bayley Scales for Infant and Toddler Development (BSID). We assessed the association between BPD grade and adverse neurodevelopmental outcomes using descriptive statistics and regression models. RESULTS Two hundred and fifty infants, including 89 (35.6%), 87 (34.8%), 65 (20.6%), and 9 (3.6%) with No BPD, Grade 1, Grade 2, and Grade 3 BPD, were included in the study. Small for gestational age, late pulmonary hypertension, dexamethasone administration, and adverse neurodevelopmental outcomes were more common as BPD grade increased. In a logistic regression analysis, Grades 2 and 3, but not Grade 1, BPD were associated with increased odds of a composite adverse neurodevelopmental outcome by 2.7 and 7.2 folds, respectively. A BSID domain-specific analysis showed that higher grades were associated with lower scores in the cognitive, gross motor, and fine motor domains. CONCLUSIONS Grades 2 and 3 BPD, but not Grade 1, correlate with risks of adverse neurodevelopmental outcomes at a grade-dependent manner in our single-center cohort retrospective study. Further validation using a multi-center large cohort is warranted.
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Affiliation(s)
- Izabela Oluwole
- Division of Neonatology, Department of Pediatrics, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - John B C Tan
- Division of Neonatology, Department of Pediatrics, Loma Linda University School of Medicine, Loma Linda, CA, USA.,Huckleberry Labs, Inc, Irvine, CA, USA
| | - Shirin DeSouza
- Division of General Pediatrics and Pediatric Hospital Medicine, Department of Pediatrics, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | | | - Rebekah M Leigh
- Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Minha Cha
- Loma Linda University School of Medicine, Loma Linda, CA, USA
| | | | - Gina Hou
- Division of Neonatology, Department of Pediatrics, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Srinandini S Rao
- Division of Neonatology, Department of Pediatrics, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Arvind Narang
- Business intelligence and Data Governance, Loma Linda University Health, Loma Linda, CA, USA
| | - Fu-Sheng Chou
- Division of Neonatology, Department of Pediatrics, Loma Linda University School of Medicine, Loma Linda, CA, USA.,Clinician Investigator Program, Southern California Permanente Medical Group, Pasadena, CA, USA.,Department of Neonatal-Perinatal Medicine, Kaiser Permanente Riverside Medical Center, Riverside, CA, USA
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Leigh RM, Pham A, Rao SS, Vora FM, Hou G, Kent C, Rodriguez A, Narang A, Tan JBC, Chou FS. Machine learning for prediction of bronchopulmonary dysplasia-free survival among very preterm infants. BMC Pediatr 2022; 22:542. [PMID: 36100848 PMCID: PMC9469562 DOI: 10.1186/s12887-022-03602-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 09/07/2022] [Indexed: 11/10/2022] Open
Abstract
Background Bronchopulmonary dysplasia (BPD) is one of the most common and serious sequelae of prematurity. Prompt diagnosis using prediction tools is crucial for early intervention and prevention of further adverse effects. This study aims to develop a BPD-free survival prediction tool based on the concept of the developmental origin of BPD with machine learning. Methods Datasets comprising perinatal factors and early postnatal respiratory support were used for initial model development, followed by combining the two models into a final ensemble model using logistic regression. Simulation of clinical scenarios was performed. Results Data from 689 infants were included in the study. We randomly selected data from 80% of infants for model development and used the remaining 20% for validation. The performance of the final model was assessed by receiver operating characteristics which showed 0.921 (95% CI: 0.899–0.943) and 0.899 (95% CI: 0.848–0.949) for the training and the validation datasets, respectively. Simulation data suggests that extubating to CPAP is superior to NIPPV in BPD-free survival. Additionally, successful extubation may be defined as no reintubation for 9 days following initial extubation. Conclusions Machine learning-based BPD prediction based on perinatal features and respiratory data may have clinical applicability to promote early targeted intervention in high-risk infants.
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Affiliation(s)
- Rebekah M Leigh
- Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Andrew Pham
- Division of Neonatology, Department of Pediatrics, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Srinandini S Rao
- Division of Neonatology, Department of Pediatrics, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Farha M Vora
- Division of Neonatology, Department of Pediatrics, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Gina Hou
- Division of Neonatology, Department of Pediatrics, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Chelsea Kent
- Loma Linda University School of Medicine, Loma Linda, CA, USA
| | | | - Arvind Narang
- Business Intelligence and Data Governance, Loma Linda University Health, Loma Linda, CA, USA
| | | | - Fu-Sheng Chou
- Division of Neonatology, Department of Pediatrics, Loma Linda University School of Medicine, Loma Linda, CA, USA. .,Kaiser Permanente Riverside Medical Center, 10800 Magnolia Ave., Riverside, CA, 92505, USA.
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Esiaba I, Angeles DM, Holden MS, Tan JBC, Asmerom Y, Gollin G, Boskovic DS. Urinary Allantoin Is Elevated in Severe Intraventricular Hemorrhage in the Preterm Newborn. Transl Stroke Res 2015; 7:97-102. [PMID: 25994284 DOI: 10.1007/s12975-015-0405-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2014] [Revised: 04/06/2015] [Accepted: 05/08/2015] [Indexed: 11/27/2022]
Abstract
Germinal matrix intraventricular hemorrhage (IVH) is the most common type of intracranial hemorrhage observed in preterm neonates. It is a precursor of poor neurocognitive development, cerebral palsy, and death. The pathophysiology is not well defined, but damage to the fragile germinal matrix vasculature may be due to free radicals generated during inflammation and as a consequence of ischemia followed by reperfusion. Assessment of the oxidative stress status in these infants is therefore important. Urinary allantoin concentration was measured in preterm neonates as a marker of oxidative stress associated with IVH. Urine was collected from 44 preterm neonates at four time points between 24 and 72 hours of life (HOL), and the allantoin content was determined by gas chromatography mass spectrometry (GCMS). Records were retrospectively reviewed, and the incidence and severity of IVH was categorized as follows: no IVH (n = 24), mild (grade 1-2) IVH (n = 13), and severe (grade 3-4) IVH (n = 7). Neonates with severe IVH showed significantly elevated allantoin levels vs subjects with no IVH from 36 HOL (0.098 ± 0.013 μmol and 0.043 ± 0.007 μmol, respectively, p = 0.002). The allantoin concentration remained elevated even at 72 HOL (0.079 ± 0.014 μmol and 0.033 ± 0.008 μmol, respectively, p = 0.021). There were no significant differences in allantoin levels in the no IVH and mild IVH groups. IVH was diagnosed by head imaging on average at about 11th postnatal day. Urinary allantoin levels were significantly elevated during the first 3 days of life in the neonates subsequently diagnosed with severe IVH, suggesting that oxidative stress might be a crucial factor in IVH pathogenesis. Further studies are needed to assess the usefulness of urinary allantoin in early identification of preterm infants at risk for or with severe IVH and monitoring of the response to interventions designed to prevent or treat it.
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Affiliation(s)
- Ijeoma Esiaba
- Department of Earth and Biological Sciences, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA
| | - Danilyn M Angeles
- Department of Basic Sciences, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA
| | - Megan S Holden
- Department of Basic Sciences, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA.,Division of Biochemistry, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA
| | - John B C Tan
- Department of Basic Sciences, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA.,Division of Biochemistry, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA
| | - Yayesh Asmerom
- Department of Basic Sciences, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA
| | - Gerald Gollin
- Division of Pediatric Surgery, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA
| | - Danilo S Boskovic
- Department of Earth and Biological Sciences, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA. .,Department of Basic Sciences, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA. .,Division of Biochemistry, School of Medicine, Loma Linda University, Loma Linda, CA, 92350, USA.
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